D4990 Low Energy Operator – Frequently Asked Questions
This section provides answers to common questions about the D4990 Low Energy Operator, including specifications, applications, certifications, and ordering information.
What is the PRECISION D4990? |
| The PRECISION D4990 is a Grade 1 low energy door operator that complies with ADA requirements and ANSI/BHMA A156.19. It uses electrohydraulic technology to provide a motorized power-open cycle activated by a knowing act via hardwired or wireless actuators. |
Who is the D4990 customer? |
| The D4990 is ideal for ADA access in discontinuous-use applications such as hospitals and medical office buildings. |
What certifications does the D4990 meet? |
| The D4990 meets ANSI/BHMA A156.19, UL 228, UL 325, UL 10B, UL 10C, UBC 7.2, and FCC requirements. |
What device types is the D4990 offered in? |
| The D4990 is available in two configurations: push side (D4990) and pull side (D4990T). These models are not interchangeable and must be ordered for the correct application. |
Do you have to specify handing when ordering a D4990? |
| No. Both the D4990 and D4990T are non-handed. |
What types of actuators are available for the D4990? |
| Available actuators include push plates, touchless plates, and fobs. Actuators may be hardwired or wireless depending on application needs. |
Is the D4990 compatible with electric strikes? |
| Yes. The D4990 is compatible with BEST electric strikes and PRECISION electric latch retraction (ELR) exit devices, as well as select third-party products. |
How difficult is it to install a D4990? |
| The D4990 is designed for simple installation and includes pre-configured mounting holes. |
Is manual door operation difficult with a D4990? |
| No. The D4990 includes a D-4550 heavy-duty door closer that allows easy manual operation with less opening force. |
What finishes are available for the D4990? |
| The D4990 is available in finishes 628 and 313AN. |
What is the lead time for a D4990? |
| Average lead time is less than two weeks. |
What warranty does the D4990 include? |
| The D4990 includes a two-year mechanical and electrical warranty. |